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Tc - Technetium (43/96.906)
Material List
Tc
(3)
1
material,
3
document(s) are retrieved.
Naturally occurring isotopes:
None
Density:
11.496 (298.15K)
g/cm
3
Melting point:
2172
o
C
Boiling point:
4877
o
C
Latent heat of fusion:
235
J/g
Specific heat:
0.24
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
cm/cm/K (at room temp.)
Thermal conductivity:
5.06E-01
W/cm/K (at room temp.)
Electrical resistivity:
hm-cm (at room temp.)
lonization potential (1st):
7.28
eV
Electronic work function Φ:
Oxidation potentials:
Tc → Tc
2+
+ 2e = -0.4
V
Chemical valence:
0 1 2 3 4 5 6 7
Electrochemical equivalents:
0.51651
g/amp-hr
lonic radius:
0.56
angstrom
Valence electron potential:
180
-eV
Principal quantum number:
5
Principal electron shells:
K L M N O
Electronic configuration:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d6 5s1
Valence electrons:
4d6 5s1
Crystal form:
HCP
Half life:
2.6E6 years
Cross section σ:
barns
Vapor pressure:
2.29E-02
Pa (at melting point)
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